marking dynamic ranges, was fixing insecure email infrastructure

Thu Jan 13 20:57:05 UTC 2005

>What is wrong with MTAMARK?

>MTAMARK tags the reverse entries of IP addresses where SMTP servers
>are.  Fixes this problem very fast, efficient and with little effort
>(script magic to regenerate the reverse DNS entries).

In priciple, nothing.  In practice, the rDNS is a mess and I don't know
many people who think it's likely to get cleaned up enough that we can
expect to put in all the MTA MARK entries.

-- 
John R. Levine, IECC, POB 727, Trumansburg NY 14886 +1 607 330 5711
johnl at iecc.com, Mayor, http://johnlevine.com, 
Member, Provisional board, Coalition Against Unsolicited Commercial E-mail